1,1-bis(4-chlorophenyl)-4-diazonio-5-ethoxy-5-oxopenta-1,3-dien-3-olate

1,1-双-(4-氯苯基)-1,3-丁二烯

bis(4-phenylsulfanylphenyl)methanone

ethyl 3,3-bis(4-chlorophenyl)prop-2-enoate

3,3-bis-(4-chloro-phenyl)-propionic acid ethyl ester